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484 MW Natural Gas operating in Brazoria, TX — Electric Reliability Council of Texas, Inc.
484 MW
Nameplate Capacity
8
Generators
units
Natural Gas Fired Combustion Turbine
Technology
2022
Operating Since
Coordinates
29.2271, -95.4308
County
Brazoria, TX
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | City of San Antonio - (TX) | — | — |
| Owner(s) | Mark One Generating, LLC | — | — |
| Status | Operating | — | — |
Mark One Power Station is a 484 MW natural gas-fired power plant located in Brazoria County, Texas. The plant began operating in 2022 and consists of 8 natural gas-fired combustion turbine generators. ProEnergy Services is the plant's operator, and the facility resides within the Electric Reliability Council of Texas (ERCOT) balancing authority, in the Texas Reliability Entity (TRE) NERC region.
In its most recent year of operation, Mark One Power Station generated 352,736 MWh of electricity, achieving a capacity factor of 8.3%. The plant ranks as the 81st largest in Texas out of 144 plants, and 495th nationally out of 945 plants. Recent news coverage of the plant includes topics related to the electric grid and the power industry.
Generated from EIA, GEM, and public data sources
ISO/RTO
ERCOT
Market
ISO/RTO Member
NERC Region
TRE — Texas Reliability Entity
Balancing Authority
Electric Reliability Council of Texas, Inc. (ERCO)
Grid Voltage
138.0 kV
Regulatory Status
NR — Non-Regulated
Entity Type
Municipal
Sector
IPP Non-CHP
10.5K MWh
Latest Month
352.7K MWh
Annual Generation
8.3%
Capacity Factor
CO₂ Intensity
1156 lb/MWh
NOx
0.131 lb/MWh
SO₂
0.005 lb/MWh
CH₄
0.022 lb/MWh
N₂O
0.002 lb/MWh
Capacity Factor
3.6%
Annual Net Gen
115 GWh
CO₂eq
1158 lb/MWh
Subregion
ERCOT All
2022
$820/kW
Est. Construction Cost
Total estimated cost: $396.9M
Point of Interconnection
Nearest Substation
Angleton Substation · 138 kV
Substation Distance
< 10 km
Operator
CenterPoint Energy
Coord Source
OSM spatial
Market Position
ISO/RTO Market
ERCOT
LMP Node
AE_BCH01
Pricing Hub
HB_HOUSTON
Node Source
EIA-860 direct report
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